L. Gottumukkala, Aditya, Tummala Ramakrishna, Sukala Kanna Babu, and Gottumukkala V. Subbaraju. 2016. “Determination of (E) &Amp; (Z)-Guggulsterones in Guggul Formulations by High Performance Liquid Chromatography”. Asian Journal of Chemistry 17 (3):1789-93. https://asianpubs.org/index.php/ajchem/article/view/14050.